Choose items to buy together. This item: 200pcs 125Khz RFID Proximity Cards ID Card Door Entry Access 0.8mm. $43.95. Sold by Meikulermall and ships from Amazon Fulfillment. UHPPOTE Contactless 125kHz RFID Proximity Smart Card 0.8mm thick for Access Control System & Time Attandance (Read only, Pack of 50) $20.90. Only 20 left in stock - order soon.